1 #ifndef _VXFS_KCOMPAT_H
2 #define _VXFS_KCOMPAT_H
4 #include <linux/version.h>
6 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
8 #include <linux/blkdev.h>
10 typedef long sector_t;
12 /* From include/linux/fs.h (Linux 2.5.2-pre3) */
13 static inline struct buffer_head * sb_bread(struct super_block *sb, int block)
15 return bread(sb->s_dev, block, sb->s_blocksize);
19 static inline void map_bh(struct buffer_head *bh, struct super_block *sb, int block)
21 bh->b_state |= 1 << BH_Mapped;
22 bh->b_dev = sb->s_dev;
23 bh->b_blocknr = block;
26 /* From fs/block_dev.c (Linux 2.5.2-pre2) */
27 static inline int sb_set_blocksize(struct super_block *sb, int size)
30 if (set_blocksize(sb->s_dev, size) < 0)
32 sb->s_blocksize = size;
33 for (bits = 9, size >>= 9; size >>= 1; bits++)
35 sb->s_blocksize_bits = bits;
36 return sb->s_blocksize;
40 static inline int sb_min_blocksize(struct super_block *sb, int size)
42 int minsize = get_hardsect_size(sb->s_dev);
45 return sb_set_blocksize(sb, size);
48 #endif /* Kernel 2.4 */
49 #endif /* _VXFS_KCOMPAT_H */